* scripts/extract_symvers.pl: New file.

	* scripts/extract_symvers: Rename to ...
	* scripts/extract_symvers.in: ... this.
	Use extract_symvers.pl on SunOS.
	* configure.ac: Add scripts/extract_symvers to AC_CONFIG_FILES.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* testsuite/Makefile.am (extract_symvers): Call extract_symvers
	from $(glibcxx_builddir).
	* testsuite/Makefile.in: Regenerate.
	* testsuite/libstdc++-abi/abi.exp: Call extract_symvers from
	$objdir.

	* config/abi/post/solaris2.8/baseline_symbols.txt: Regenerate.
	* config/abi/post/solaris2.8/sparcv9/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@167330 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 131 insertions, 39 deletions

diff --git a/libstdc++-v3/scripts/extract_symvers b/libstdc++-v3/scripts/extract_symvers.in
index 7510233d626..a2ff3c40a44 100755
--- a/libstdc++-v3/scripts/extract_symvers
+++ b/libstdc++-v3/scripts/extract_symvers.in
@@ -36,45 +36,10 @@ tmp=extract.$$
 
 case `uname -s` in
 SunOS)
-  # Sun ld doesn't record symbol versions in .dynsym entries and they
-  # cannot easily be extracted from readelf --versions output, so use pvs
-  # instead.  Linux may have a completely different pvs from LVM2, so only
-  # do this on SunOS.
-  # Need to use nawk on Solaris 2 since Solaris 8/9 awk (oawk) cannot handle
-  # sub.
-  pvs -dsvo ${lib} | \
-  nawk '# Remove colon separator from version field, trailing semicolon.
-	{
-	  sub (/:$/, "", $3);
-	  sub (/;$/, "");
-	}
-	# Record base version.  The [BASE] field was only added in Solaris 11,
-	# so simply use the first record instead.
-	NR == 1 {
-	  basever = $3;
-	  next;
-	}
-	# Ignore version dependencies.
-	$4 ~ /\{.*\}/ {
-	  next;
-	}
-	NF == 4 {
-	  if ($3 == $4 || $3 == basever)
-	    # Emit versions or symbols bound to base versions as objects.
-	    printf "OBJECT:0:%s\n", $4;
-	  else
-	    # Everything else without a size field is a function.
-	    printf "FUNC:%s@@%s\n", $4, $3;
-	  next;
-	}
-	# Emit objects.
-	NF == 5 {
-	  # Strip parens from object size.
-	  sub (/^\(/, "", $5);
-	  sub (/\)$/, "", $5);
-	  printf "OBJECT:%s:%s@@%s\n", $5, $4, $3;
-	  next;
-	}' | sort | uniq > $tmp 2>&1
+  # Ensure that output on Solaris 2 matches readelf below without requiring
+  # GNU binutils to be installed.  This requires a combination of pvs and
+  # elfdump, which is easier handled in a perl script.
+  perl @glibcxx_srcdir@/scripts/extract_symvers.pl ${lib} > $tmp 2>&1
   ;;
 *)
   # GNU binutils, somewhere after version 2.11.2, requires -W/--wide to
diff --git a/libstdc++-v3/scripts/extract_symvers.pl b/libstdc++-v3/scripts/extract_symvers.pl
new file mode 100644
index 00000000000..2bac1cd5648
--- /dev/null
+++ b/libstdc++-v3/scripts/extract_symvers.pl
@@ -0,0 +1,127 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) 2010 Free Software Foundation, Inc.
+#
+# This file is part of the GNU ISO C++ Library.  This library is free
+# software; you can redistribute it and/or modify it under the
+# terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this library; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# Extract symbol version information on Solaris 2.
+#
+# Sun ld doesn't record symbol versions in .dynsym entries and they cannot
+# easily be extracted from readelf --versions output, so use pvs instead.
+# This way, we don't require GNU binutils in the native case.  Also ensures
+# that baseline_symbols.txt is identical between native (pvs, elfdump) and
+# cross (readelf) cases.
+
+my $lib = shift;
+
+open PVS, "pvs -dsvo $lib |" or die $!;
+while (<PVS>) {
+    chomp;
+
+    # Remove trailing semicolon.
+    s/;$//;
+
+    # shared object, dash, version, symbol, [size]
+    (undef, undef, $version, $symbol, $size) = split;
+
+    # Remove colon separator from version field.
+    $version =~ s/:$//;
+    
+    # Record base version.  The [BASE] field was only added in Solaris 11,
+    # so simply use the first record instead.
+    if ($. == 1) {
+	$basever = $version;
+      	next;
+    }
+
+    # Skip version declarations.
+    next unless defined ($symbol);
+
+    # Ignore version dependencies.
+    next if ($symbol =~ /\{.*\}/);
+
+    # Emit objects.
+    if (defined ($size)) {
+	# Strip parens from object size.
+	$size =~ s/\((\d+)\)/$1/;
+
+	$type{$symbol} = "OBJECT";
+	$version{$symbol} = $version;
+	$size{$symbol} = $size;
+        next;
+    }
+
+    if ($version eq $symbol or $version eq $basever) {
+	# Emit versions or symbols bound to base versions as objects.
+	$type{$symbol} = "OBJECT";
+	$version{$symbol} = $symbol;
+	$size{$symbol} = 0;
+    } else {
+	# Everything else without a size field is a function.
+	$type{$symbol} = "FUNC";
+	$version{$symbol} = $version;
+    }
+}
+close PVS or die "pvs error";
+
+# Only look at .dynsym table, like readelf in extract_symvers.
+open ELFDUMP, "/usr/ccs/bin/elfdump -s -N .dynsym $lib |" or die $!;
+while (<ELFDUMP>) {
+    chomp;
+
+    # Ignore empty lines.
+    next if (/^$/);
+
+    # Ignore object name header.
+    next if (/:$/);
+
+    # Ignore table header lines.
+    next if (/^Symbol Table Section:/);
+    next if (/index.*value.*size/);
+
+    # Split table.
+    (undef, undef, undef, $type, $bind, $oth, undef, $shndx, $name) = split;
+
+    # Error out for unknown input.
+    die "unknown input line:\n$_" unless defined($bind);
+
+    # Ignore local symbols.
+    next if ($bind eq "LOCL");
+    # Ignore hidden symbols.
+    next if ($oth eq "H");
+    # Ignore undefined symbols.
+    next if ($shndx eq "UNDEF");
+    # Error out for unhandled cases.   _GLOBAL_OFFSET_TABLE_ is P (protected).
+    die "unhandled symbol:\n$_" if ($bind !~ /^(GLOB|WEAK)/ or $oth !~ /[DP]/);
+
+    # Adapt to readelf type naming convention.
+    $type = "OBJECT" if ($type eq "OBJT");
+
+    # Use correct symbol type.
+    $type{$name} = $type if ($type{$name} ne $type);
+}
+close ELFDUMP or die "elfdump error";
+
+foreach $symbol (keys %type) {
+    if ($type{$symbol} eq "FUNC") {
+	push @lines, "$type{$symbol}:$symbol\@\@$version{$symbol}\n";
+    } elsif ($type{$symbol} eq "OBJECT" and $size{$symbol} == 0) {
+	push @lines, "$type{$symbol}:$size{$symbol}:$version{$symbol}\n";
+    } else {
+	push @lines, "$type{$symbol}:$size{$symbol}:$symbol\@\@$version{$symbol}\n";
+    }
+}
+print sort @lines;